But you do have lots of errors <!DOCTYPE should be the very first line.
You have a half started script tag<script src="/js/javascript.js"
Closing tags that have no open tag
<center> is deprecated - you shouldn't be using it

You are designing for mobile so you should really be using the HTML5 doctype
<!DOCTYPE html>
Self closing tags are the default - you don't need to close them i.e.
<br> is the way to write it, not <br />

You need to fix your css for the sticky footer. You were following the guide for the stickyfooter link but you have not implemented the css for it properly.
This may fix the problem but I suspect the CKEditor autogrow js may still screw up the layout.

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